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Ultra-compact semiconductor could power next-gen AI and 6G chips
A research team, led by Professor Heein Yoon in the Department of Electrical Engineering at UNIST has unveiled an ultra-small hybrid low-dropout regulator (LDO) that promises to advance power management in advanced semiconductor devices. This innovative chip not only stabilizes voltage more effectively, but also filters out noise—all while taking... Read more
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Researchers develop 3D printed antenna arrays for flexible wireless systems
Washington State University-led researchers have developed a chip-sized processor and 3D printed antenna arrays that could someday lead to flexible and wearable wireless systems and improved electronic communications in a wide variety of auto, aviation, and space industry applications.... Read more
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Low-power MoS₂-based microwave transmitter could advance communications
To further advance wireless communication systems, electronics engineers have been trying to develop new electronic circuits that operate in the microwave frequency range (1–300 GHz), while also losing little energy while transmitting signals. Ideally, these circuits should also be more compact than existing solutions, as this would help to reduce... Read more
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Super-thin semiconductor overcomes trade-off between speed and thermal stability
A team led by academician Huang Ru and Professor Wu Yanqing from the School of Integrated Circuits at Peking University has developed a super-thin, high-performance semiconductor with enhanced heat conductivity, enabled by a silicon carbide (SiC) substrate. The research, published in Nature Electronics under the title "Amorphous indium tin oxide... Read more
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The spy who came in from the Wi-Fi: Beware of radio network surveillance
If you pass by a café that operates a Wi-Fi network, you can be identified—even if you do not carry a smartphone with you. Researchers at Karlsruhe Institute of Technology (KIT) have found out that it is possible to identify people solely through Wi-Fi signals. They point out that this... Read more
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Polymers with ultralow dielectric loss show potential for 6G telecommunications
With the rollout of fifth-generation (5G) telecommunications networks and 6G looming on the horizon, the demand for advanced materials that can handle high-frequency signals is rising rapidly. These systems use electromagnetic waves ranging from tens to hundreds of gigahertz (GHz), where signals are highly sensitive to transmission loss, interference, and... Read more
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Room-temperature terahertz device opens door to 6G networks
In a world first, researchers at Nagoya University in Japan have successfully developed a resonant tunnel diode (RTD) that operates at room temperature made entirely from Group IV semiconductor materials.... Read more
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Scientists develop the world's first 6G chip, capable of 100 Gbps speeds
Sixth generation, or 6G, wireless technology is one step closer to reality with news that Chinese researchers have unveiled the world's first "all-frequency" 6G chip. The chip is capable of delivering mobile internet speeds exceeding 100 gigabits per second (Gbps) and was developed by a team led by scientists from... Read more
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Digital to analog in one smooth step: Device could replace signal modulators in fiber-optic networks
Addressing a major roadblock in next-generation photonic computing and signal processing systems, researchers at the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) have created a device that can bridge digital electronic signals and analog light signals in one fluid step.... Read more
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Scientists use new mathematical approach to protect aircraft from 5G interference
Researchers at King Abdullah University of Science and Technology (KAUST) have provided a new mathematical approach to protect aircraft from interference caused by mobile communications. The solution, published in IEEE Transactions on Wireless Communications, describes the shape of the ideal exclusion zone that protects aircraft while maximizing 5G performance. This... Read more
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Engineers send a wireless curveball to deliver massive amounts of data
High frequency radio waves can wirelessly carry the vast amount of data demanded by emerging technology like virtual reality, but as engineers push into the upper reaches of the radio spectrum, they are hitting walls. Literally.... Read more
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Low-power 'microwave brain' on a chip computes on both ultrafast data and wireless signals
Cornell University researchers have developed a low-power microchip they call a "microwave brain," the first processor to compute on both ultrafast data signals and wireless communication signals by harnessing the physics of microwaves.... Read more
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Machine learning-based design enables more efficient wireless power transfer
Wireless power transfer (WPT) systems transmit electrical energy from a power source to a load without physical connectors or wires, using electromagnetic fields. This idea goes as far back as the 1890s, when Nikola Tesla famously experimented with wireless energy transmission.... Read more
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Hybrid chip enables two-way conversion between terahertz and optical signals for ultrafast communications
Researchers at EPFL and Harvard University have engineered a chip that can convert between electromagnetic pulses in the terahertz and optical ranges on the same device. Their integrated design could enable the development of devices for ultrafast telecommunications, ranging, spectroscopy, and computing.... Read more
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Flexible transmitter chip could make wireless devices more energy efficient
Researchers from MIT and elsewhere have designed a novel transmitter chip that significantly improves the energy efficiency of wireless communications, which could boost the range and battery life of a connected device.... Read more